diff -r c463f45fa114 -r ee4537e365c8 mercurial/progress.py
--- a/mercurial/progress.py	Tue May 31 03:39:42 2022 +0200
+++ b/mercurial/progress.py	Tue May 31 04:11:34 2022 +0200
@@ -6,7 +6,6 @@
 # GNU General Public License version 2 or any later version.
 
 
-import errno
 import threading
 import time
 
@@ -65,25 +64,6 @@
     return _(b"%dy%02dw") % (years, weeks)
 
 
-# file_write() and file_flush() of Python 2 do not restart on EINTR if
-# the file is attached to a "slow" device (e.g. a terminal) and raise
-# IOError. We cannot know how many bytes would be written by file_write(),
-# but a progress text is known to be short enough to be written by a
-# single write() syscall, so we can just retry file_write() with the whole
-# text. (issue5532)
-#
-# This should be a short-term workaround. We'll need to fix every occurrence
-# of write() to a terminal or pipe.
-def _eintrretry(func, *args):
-    while True:
-        try:
-            return func(*args)
-        except IOError as err:
-            if err.errno == errno.EINTR:
-                continue
-            raise
-
-
 class progbar:
     def __init__(self, ui):
         self.ui = ui
@@ -207,10 +187,10 @@
         self._flusherr()
 
     def _flusherr(self):
-        _eintrretry(self.ui.ferr.flush)
+        self.ui.ferr.flush()
 
     def _writeerr(self, msg):
-        _eintrretry(self.ui.ferr.write, msg)
+        self.ui.ferr.write(msg)
 
     def width(self):
         tw = self.ui.termwidth()